[evolution/tabs-rewrite-v1: 30/31] Add animations for selecting mail and search.

[Srinivasa Ragavan <sragavan src gnome org>]

commit a42264a697111824261e44d3981c1bdd1b1f2cc8
Author: Srinivasa Ragavan <sragavan gnome org>
Date:   Mon Jul 19 21:51:19 2010 +0530

    Add animations for selecting mail and search.

 mail/e-mail-notebook-view.c |   16 ++++++-
 mail/e-mail-paned-view.c    |   28 ++++++++++++-
 mail/e-mail-paned-view.h    |    2 +
 mail/message-list.c         |   98 +++++++++++++++++++++++++++++++++++++++++++
 4 files changed, 141 insertions(+), 3 deletions(-)
---
diff --git a/mail/e-mail-notebook-view.c b/mail/e-mail-notebook-view.c
index 9d13bb1..34ebd1d 100644
--- a/mail/e-mail-notebook-view.c
+++ b/mail/e-mail-notebook-view.c
@@ -739,6 +739,7 @@ mail_netbook_view_open_mail (EMailView *view, const char *uid, EMailNotebookView
 	int page;
 	EMailNotebookViewPrivate *priv = E_MAIL_NOTEBOOK_VIEW (nview)->priv;
 	CamelMessageInfo *info;
+	GtkWidget *preview;
 #if HAVE_CLUTTER
 	EMailTab *tab;
 	ClutterActor *clone;
@@ -751,6 +752,8 @@ mail_netbook_view_open_mail (EMailView *view, const char *uid, EMailNotebookView
 	pane = e_mail_message_pane_new (E_MAIL_VIEW(nview)->content);
 	priv->current_view = (EMailView *)pane;
 	gtk_widget_show (pane);
+	
+	preview = e_mail_paned_view_get_preview (E_MAIL_PANED_VIEW(pane));
 
 	folder = e_mail_reader_get_folder (E_MAIL_READER(view));
 	folder_uri = e_mail_reader_get_folder_uri (E_MAIL_READER(view));
@@ -764,6 +767,9 @@ mail_netbook_view_open_mail (EMailView *view, const char *uid, EMailNotebookView
 
 #if HAVE_CLUTTER
 	mnv_set_current_tab (nview, page);
+	g_object_set_data ((GObject *)priv->current_view, "stage", priv->stage); 
+	g_object_set_data ((GObject *)preview, "stage", priv->stage); 
+	g_object_set_data ((GObject *)preview, "actor", priv->actor); 		
 #else	
 	gtk_notebook_set_current_page (priv->book, page);
 #endif
@@ -857,7 +863,8 @@ mail_notebook_view_set_folder (EMailReader *reader,
 
 	if (folder || folder_uri) {
 		int page;
-		
+		GtkWidget *list;
+
 		if (priv->inited) {
 			priv->current_view = (EMailView *)e_mail_folder_pane_new (E_MAIL_VIEW(reader)->content);
 			gtk_widget_show ((GtkWidget *)priv->current_view);
@@ -920,10 +927,15 @@ mail_notebook_view_set_folder (EMailReader *reader,
 			e_mail_tab_set_text ((EMailTab *)clone, camel_folder_get_full_name(folder));
 #endif			
 		}
-
+	
+		list = e_mail_reader_get_message_list (E_MAIL_READER(priv->current_view));
 #if HAVE_CLUTTER		
 		g_signal_connect (tab , "closed", 
 				   G_CALLBACK (mnv_tab_closed), reader);
+		g_object_set_data ((GObject *)priv->current_view, "stage", priv->stage); 
+		g_object_set_data ((GObject *)list, "stage", priv->stage); 
+		g_object_set_data ((GObject *)list, "actor", priv->actor); 		
+		
 #endif		
 		e_mail_reader_set_folder (E_MAIL_READER(priv->current_view), folder, folder_uri);
 		g_hash_table_insert (priv->views, g_strdup(folder_uri), priv->current_view);
diff --git a/mail/e-mail-paned-view.c b/mail/e-mail-paned-view.c
index 67268df..57f0c00 100644
--- a/mail/e-mail-paned-view.c
+++ b/mail/e-mail-paned-view.c
@@ -48,6 +48,11 @@
 #include "message-list.h"
 #include "e-mail-reader-utils.h"
 
+#if HAVE_CLUTTER
+#include <clutter/clutter.h>
+#include <mx/mx.h>
+#include <clutter-gtk/clutter-gtk.h>
+#endif
 
 #define E_SHELL_WINDOW_ACTION_GROUP_MAIL(window) \
 	E_SHELL_WINDOW_ACTION_GROUP ((window), "mail")
@@ -57,6 +62,7 @@ struct _EMailPanedViewPrivate {
 	GtkWidget *scrolled_window;
 	GtkWidget *message_list;
 	GtkWidget *search_bar;
+	GtkWidget *preview;
 
 	EMFormatHTMLDisplay *formatter;
 	GalViewInstance *view_instance;
@@ -178,7 +184,9 @@ mail_paned_view_message_selected_cb (EMailPanedView *view,
 	const gchar *folder_uri;
 	const gchar *key;
 	gchar *group_name;
-
+#if HAVE_CLUTTER
+	ClutterActor *actor = g_object_get_data ((GObject *)view->priv->preview, "actor");
+#endif	
 	folder_uri = message_list->folder_uri;
 
 	/* This also gets triggered when selecting a store name on
@@ -201,6 +209,17 @@ mail_paned_view_message_selected_cb (EMailPanedView *view,
 	e_shell_view_set_state_dirty (shell_view);
 
 	g_free (group_name);
+
+#if HAVE_CLUTTER	
+	if (actor) {
+  		clutter_actor_set_opacity (actor, 0);
+  		clutter_actor_animate (actor, CLUTTER_EASE_OUT_SINE, 150,
+       	        	          	"opacity", 255,
+       	                	  	NULL);
+	} 
+
+#endif
+	
 }
 
 static void
@@ -632,6 +651,7 @@ mail_paned_view_constructed (GObject *object)
 	gtk_widget_show (GTK_WIDGET (web_view));
 
 	widget = e_preview_pane_new (web_view);
+	priv->preview = widget;
 	gtk_paned_pack2 (GTK_PANED (container), widget, FALSE, FALSE);
 	gtk_widget_show (widget);
 
@@ -1114,3 +1134,9 @@ e_mail_paned_view_hide_message_list_pane (EMailPanedView *view,
 		gtk_widget_hide (priv->scrolled_window);
 
 }
+
+GtkWidget *
+e_mail_paned_view_get_preview (EMailPanedView *view)
+{
+	return view->priv->preview;
+}
diff --git a/mail/e-mail-paned-view.h b/mail/e-mail-paned-view.h
index 4b3f3a1..8cb5a0e 100644
--- a/mail/e-mail-paned-view.h
+++ b/mail/e-mail-paned-view.h
@@ -88,5 +88,7 @@ e_mail_paned_view_get_orientation (EMailPanedView *view);
 void
 e_mail_paned_view_hide_message_list_pane (EMailPanedView *view,
 					  gboolean visible);
+GtkWidget *
+e_mail_paned_view_get_preview (EMailPanedView *view);
 
 #endif
diff --git a/mail/message-list.c b/mail/message-list.c
index f88f08b..f19754a 100644
--- a/mail/message-list.c
+++ b/mail/message-list.c
@@ -68,6 +68,12 @@
 #include "mail-tools.h"
 #include "message-list.h"
 
+#if HAVE_CLUTTER
+#include <clutter/clutter.h>
+#include <mx/mx.h>
+#include <clutter-gtk/clutter-gtk.h>
+#endif
+
 /*#define TIMEIT */
 
 #ifdef TIMEIT
@@ -120,6 +126,11 @@ struct _MessageListPrivate {
 	const gchar *newest_read_uid;
 	time_t oldest_unread_date;
 	const gchar *oldest_unread_uid;
+
+#if HAVE_CLUTTER
+	ClutterActor *search_texture;
+	ClutterTimeline *timeline;
+#endif
 };
 
 enum {
@@ -2367,6 +2378,11 @@ message_list_init (MessageList *message_list)
 
 	message_list->priv = MESSAGE_LIST_GET_PRIVATE (message_list);
 
+#if HAVE_CLUTTER
+	message_list->priv->timeline = NULL;
+	message_list->priv->search_texture = NULL;
+#endif
+	
 	message_list->normalised_hash = g_hash_table_new_full (
 		g_str_hash, g_str_equal,
 		(GDestroyNotify) NULL,
@@ -4104,9 +4120,72 @@ message_list_set_hidedeleted (MessageList *ml, gboolean hidedeleted)
 	}
 }
 
+#if HAVE_CLUTTER
+static void
+on_timeline_started (ClutterTimeline *timeline, ClutterActor *actor)
+{
+	clutter_actor_show(actor);
+}
+
+static void
+on_timeline_stopped (ClutterTimeline *timeline, ClutterActor *actor)
+{
+	clutter_actor_hide(actor);
+}
+#endif
+
 void
 message_list_set_search (MessageList *ml, const gchar *search)
 {
+#if HAVE_CLUTTER	
+	if (ml->priv->timeline == NULL) {
+		ClutterActor *stage = g_object_get_data ((GObject *)ml, "stage");
+		
+		if (stage) {
+			ClutterActor *texture = NULL;
+			ClutterPath *path;
+			ClutterBehaviour *behaviour;
+			ClutterAlpha *alpha;
+			GtkIconInfo *info;
+
+			info = gtk_icon_theme_lookup_icon (gtk_icon_theme_get_default(),
+							"system-search",
+							72,
+							GTK_ICON_LOOKUP_NO_SVG);
+			
+			if (info) {
+				texture = clutter_texture_new_from_file (gtk_icon_info_get_filename(info), NULL);
+				gtk_icon_info_free(info);
+			}
+			clutter_container_add_actor ((ClutterContainer *)stage, texture);
+			ml->priv->search_texture = texture;
+
+			ml->priv->timeline = clutter_timeline_new (2 * 1000);
+			alpha = clutter_alpha_new_full (ml->priv->timeline, CLUTTER_LINEAR);
+			path = clutter_path_new();
+			behaviour = clutter_behaviour_path_new (alpha, path);
+			clutter_actor_hide (texture);
+			clutter_path_clear (path);
+			clutter_path_add_move_to (path, 100, 50);
+			clutter_path_add_line_to (path, 200, 50);
+			clutter_path_add_line_to (path, 200, 100);
+			clutter_path_add_line_to (path, 100, 100);
+			clutter_path_add_line_to (path, 100, 50);
+
+			clutter_behaviour_apply (behaviour, texture);
+			clutter_timeline_set_loop (ml->priv->timeline, TRUE);
+			
+			g_signal_connect(ml->priv->timeline, "started", G_CALLBACK(on_timeline_started), texture);
+			g_signal_connect(ml->priv->timeline, "paused", G_CALLBACK(on_timeline_stopped), texture);
+			//g_signal_connect(ml->priv->timeline, "completed", G_CALLBACK(on_timeline_stopped), texture);
+			
+			clutter_timeline_pause (ml->priv->timeline);			
+			clutter_timeline_stop (ml->priv->timeline);
+
+		}
+	}
+#endif
+	
 	if (search == NULL || search[0] == '\0')
 		if (ml->search == NULL || ml->search[0] == '\0')
 			return;
@@ -4119,6 +4198,10 @@ message_list_set_search (MessageList *ml, const gchar *search)
 		ml->thread_tree = NULL;
 	}
 
+#if HAVE_CLUTTER	
+	clutter_timeline_start (ml->priv->timeline);
+#endif
+
 	if (ml->frozen == 0)
 		mail_regen_list (ml, search, NULL, NULL);
 	else {
@@ -4568,6 +4651,21 @@ regen_list_done (struct _regen_list_msg *m)
 
 	g_signal_emit (m->ml, message_list_signals[MESSAGE_LIST_BUILT], 0);
 	m->ml->priv->any_row_changed = FALSE;
+
+#if HAVE_CLUTTER
+	if (clutter_timeline_is_playing(m->ml->priv->timeline)) {
+		clutter_timeline_stop (m->ml->priv->timeline);
+	} else {
+		ClutterActor *pane = g_object_get_data ((GObject *)m->ml, "actor");
+		
+		if (pane) {
+  			clutter_actor_set_opacity (pane, 0);
+  			clutter_actor_animate (pane, CLUTTER_EASE_OUT_SINE, 150,
+       	                 	 	"opacity", 255,
+       	                  		NULL);
+		}
+	}
+#endif			
 }
 
 static void